3.3 Geometrinen summa Jaa Geometrinen summa https://www.youtube.com/watch?v=50Qar0iVdq8 https://www.youtube.com/watch?v=-uiZfPeq1BU 0 kommenttia
Geometrinen summa https://www.youtube.com/watch?v=50Qar0iVdq8 https://www.youtube.com/watch?v=-uiZfPeq1BU 0 kommenttia
